#ifndef REND_RT_H_
#define REND_RT_H_

#include <vmath.h>
#include <scene.h>
#include "fb.h"

ray_t primary_ray(int x, int y, int sample);
struct object *ray_test(struct scene *scn, ray_t ray, struct isect_point *isect_pt);
void trace(struct scene *scn, ray_t ray, struct subpixel *res);

#endif	/* REND_RT_H_ */
